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// Copyright (c) 2003-present, Jodd Team (http://jodd.org)// All rights reserved.//// Redistribution and use in source and binary forms, with or without// modification, are permitted provided that the following conditions are met://// 1. Redistributions of source code must retain the above copyright notice,// this list of conditions and the following disclaimer.//// 2. Redistributions in binary form must reproduce the above copyright// notice, this list of conditions and the following disclaimer in the// documentation and/or other materials provided with the distribution.//// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE// POSSIBILITY OF SUCH DAMAGE.package jodd.json;import jodd.introspector.ClassDescriptor;import jodd.introspector.ClassIntrospector;import jodd.introspector.CtorDescriptor;import jodd.introspector.PropertyDescriptor;import jodd.introspector.Setter;import jodd.typeconverter.TypeConverterManager;import java.util.ArrayList;import java.util.Collection;import java.util.HashSet;import java.util.LinkedHashMap;import java.util.List;import java.util.Map;import java.util.Set;import java.util.function.Supplier;/** * Just a base class of {@link jodd.json.JsonParser} that contains * various utilities, to reduce the size of a parser. */public abstract class JsonParserBase { protected static final Supplier<Map> HASMAP_SUPPLIER = LinkedHashMap::new; protected static final Supplier<Map> LAZYMAP_SUPPLIER = LazyMap::new; protected static final Supplier<List> ARRAYLIST_SUPPLIER = ArrayList::new; protected static final Supplier<List> LAZYLIST_SUPPLIER = LazyList::new; protected Supplier<Map> mapSupplier = HASMAP_SUPPLIER; protected Supplier<List> listSupplier = ARRAYLIST_SUPPLIER; // BUG: CWE-502 Deserialization of Untrusted Data // // FIXED: protected List<String> classnameWhitelist; /** * Creates new instance of {@link jodd.json.MapToBean}. */ protected MapToBean createMapToBean(final String classMetadataName) { return new MapToBean(this, classMetadataName); } // ---------------------------------------------------------------- object tools /** * Creates new type for JSON array objects. * It returns a collection. * Later, the collection will be converted into the target type. */ @SuppressWarnings("unchecked") protected Collection<Object> newArrayInstance(final Class targetType) { if (targetType == null || targetType == List.class || targetType == Collection.class || targetType.isArray()) { return listSupplier.get(); } if (targetType == Set.class) { return new HashSet<>(); } try { return (Collection<Object>) targetType.getDeclaredConstructor().newInstance(); } catch (Exception e) { throw new JsonException(e); } } /** * Creates new object or a <code>HashMap</code> if type is not specified. */ protected Object newObjectInstance(final Class targetType) { if (targetType == null || targetType == Map.class) { return mapSupplier.get(); } ClassDescriptor cd = ClassIntrospector.get().lookup(targetType); CtorDescriptor ctorDescriptor = cd.getDefaultCtorDescriptor(true); if (ctorDescriptor == null) { throw new JsonException("Default ctor not found for: " + targetType.getName()); } try {// return ClassUtil.newInstance(targetType); return ctorDescriptor.getConstructor().newInstance(); } catch (Exception e) { throw new JsonException(e); } } /** * Injects value into the targets property. */ protected void injectValueIntoObject(final Object target, final PropertyDescriptor pd, final Object value) { Object convertedValue = value; if (value != null) { Class targetClass = pd.getType(); convertedValue = convertType(value, targetClass); } try { Setter setter = pd.getSetter(true); if (setter != null) { setter.invokeSetter(target, convertedValue); } } catch (Exception ex) { throw new JsonException(ex); } } /** * Converts type of the given value. */ protected Object convertType(final Object value, final Class targetType) { Class valueClass = value.getClass(); if (valueClass == targetType) { return value; } try { return TypeConverterManager.get().convertType(value, targetType); } catch (Exception ex) { throw new JsonException("Type conversion failed", ex); } }} |